While it may be difficult to make similar assumptions for Internet Based Applications
Also the intranet users can generally access the app from ‘trusted’ sources whereas for internet applications the users may need to be authenticated and the security measures may have to be much more stringent.
Test Cases need to be designed to test the various scenarios and risks involved.
- The end users may use different types of browsers to access the app
Typically for internet based applications users may have different Browsers when accessing the apps. This aspect also needs to be tested. If we test the app only on IE then we cannot ensure if works well on Netscape or Fire-Fox. Because these browsers may not only render pages differently but also have varying levels of support for client side scripting languages such as java-script.
- Even on similar browsers application may be rendered differently based on the Screen resolution/Hardware/Software Configuration
- Network speeds:
Slow Network speeds may cause the various components of a Webpage to be downloaded with a time lag. This may cause errors to be thrown up.
The testing process needs to consider this as important factor specially for Internet based Applications
- ADA ( Americans with Disabilities Act)
It may be required that the applications be compliant with ADA. Due certain disabilities, some of the users may have difficulty in accessing the Web Applications unless the applications are ADA compliant. The Application may need to be tested for compliance and usability
- Other Regulatory Compliance/Standards:
Depending on the nature of the application and sensitivity of the data captured the applications may have to be tested for relevant Compliance Standards. This is more crucial for Web Based Applications because of their possible exposure to a wide audience.
- Firewalls:
As mentioned earlier Applications may behave differently across firewalls. Applications may have certain web services or may operate on different ports that may have been blocked. So the apps need to be tested for these aspects as well.
- Security Aspects:
If the Application captures certain personal or sensitive information, it may be crucial to test the security strength of the application. Sufficient care need to be taken that the security of the data is not compromised.
Why technology platforms affect testing?
Technology platform upon which the Web Application was built also creates different strengths and weaknesses. Different Test Automation tools & packages are available for different Technology Platforms. This can influence the Test Strategy and the way in which Test Execution is done.
Challenges in Testing Web Based Web Applications:
To ensure that sufficient Test Coverage is provided for Web Based Applications and to provide a secure, reliable application to the user the above factors need to be considered.
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For internet based applications accessibility and security can be important issues.
On one hand Organizations would like to cater to their users around the world on the other hand they could end up exposing their security holes all over.
Testing could be the last chance to ensure the safety of the data and the organization.
Summary:
In this article we studied the various challenges in Testing Web Based Applications. Why Testing Web based Applications is different and different factors affecting the testing.
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